| Oh Jae-won | |
| Position: | Infielder |
| Birth Date: | 9 February 1985 |
| Birth Place: | Seoul, South Korea |
| Bats: | Left |
| Throws: | Right |
| Debutleague: | KBO |
| Debutdate: | June 13 |
| Debutyear: | 2007 |
| Debutteam: | Doosan Bears |
| Finaldate: | October 8 |
| Finalyear: | 2022 |
| Finalteam: | Doosan Bears |
| Statleague: | KBO |
| Stat1label: | Batting average |
| Stat1value: | .267 |
| Stat2label: | Home runs |
| Stat2value: | 64 |
| Stat3label: | RBI |
| Stat3value: | 521 |
| Teams: |
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| Hangul: | 오재원 |
| Hanja: | 吳載元 |
| Rr: | O Jaewon |
| Mr: | O Chaewŏn |
Oh Jae-won (born February 9, 1985) is a retired South Korean professional baseball infielder who spent his entire career with the Doosan Bears of the KBO League.[1] He graduated from Yatap High School and was selected by the Doosan Bears in a 2003 draft, but did not join the Bears and went to college. After graduating from college, he joined the team in 2007.